[INFO] fetching crate symmetric-interaction-calculus 0.1.8...
[INFO] documenting symmetric-interaction-calculus-0.1.8 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate symmetric-interaction-calculus 0.1.8 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate symmetric-interaction-calculus 0.1.8 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symmetric-interaction-calculus 0.1.8
[INFO] finished tweaking crates.io crate symmetric-interaction-calculus 0.1.8
[INFO] tweaked toml for crates.io crate symmetric-interaction-calculus 0.1.8 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ed22fcf897ff2cf6dd137e66e246f5c3fcccc9e6b8886f62ca95e6b5d974de4
[INFO] running `Command { std: "docker" "start" "-a" "3ed22fcf897ff2cf6dd137e66e246f5c3fcccc9e6b8886f62ca95e6b5d974de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ed22fcf897ff2cf6dd137e66e246f5c3fcccc9e6b8886f62ca95e6b5d974de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed22fcf897ff2cf6dd137e66e246f5c3fcccc9e6b8886f62ca95e6b5d974de4", kill_on_drop: false }`
[INFO] [stdout] 3ed22fcf897ff2cf6dd137e66e246f5c3fcccc9e6b8886f62ca95e6b5d974de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc8b1c98db70667d457c5c181663bee8558f621212bb2b59d2e5c2bb1110fbb8
[INFO] running `Command { std: "docker" "start" "-a" "bc8b1c98db70667d457c5c181663bee8558f621212bb2b59d2e5c2bb1110fbb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]  Documenting symmetric-interaction-calculus v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/term.rs:440:35
[INFO] [stdout]     |
[INFO] [stdout] 440 |         , lets_set : &mut HashSet<(u32)>
[INFO] [stdout]     |                                   ^   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 440 -         , lets_set : &mut HashSet<(u32)>
[INFO] [stdout] 440 +         , lets_set : &mut HashSet<u32>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.65s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc8b1c98db70667d457c5c181663bee8558f621212bb2b59d2e5c2bb1110fbb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8b1c98db70667d457c5c181663bee8558f621212bb2b59d2e5c2bb1110fbb8", kill_on_drop: false }`
[INFO] [stdout] bc8b1c98db70667d457c5c181663bee8558f621212bb2b59d2e5c2bb1110fbb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 206917aaf24a7d1b80bd156dcec607ecc6022eda01ceaad0dcc545a24f46233e
[INFO] running `Command { std: "docker" "start" "-a" "206917aaf24a7d1b80bd156dcec607ecc6022eda01ceaad0dcc545a24f46233e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]  Documenting symmetric-interaction-calculus v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/term.rs:440:35
[INFO] [stdout]     |
[INFO] [stdout] 440 |         , lets_set : &mut HashSet<(u32)>
[INFO] [stdout]     |                                   ^   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 440 -         , lets_set : &mut HashSet<(u32)>
[INFO] [stdout] 440 +         , lets_set : &mut HashSet<u32>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "206917aaf24a7d1b80bd156dcec607ecc6022eda01ceaad0dcc545a24f46233e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "206917aaf24a7d1b80bd156dcec607ecc6022eda01ceaad0dcc545a24f46233e", kill_on_drop: false }`
[INFO] [stdout] 206917aaf24a7d1b80bd156dcec607ecc6022eda01ceaad0dcc545a24f46233e